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Table 4 Odds of mortality by urban/rural location among Oregon children with TBI

From: Urban/Rural disparities in Oregon pediatric traumatic brain injury

Urban/Rural classification   Multivariable Associations
Bivariable Association Model 1a Model 2b
OR 95 % CI OR 95 % CI OR 95 % CI
 Large metropolitan 1.0 Ref 1.0 Ref 1.0 Ref
 Small/medium metropolitan 1.3 (0.6, 2.8) 1.2 (0.6, 2.6) 1.1 (0.5, 2.5)
 Non-metropolitan 2.5 (1.6, 4.0) 2.4 (1.4, 3.9) 1.8 (1.04, 3.3)
  1. TBI traumatic brain injury
  2. a Model 1 includes age, gender, race, and insurance
  3. b Model 2 includes age, gender, race, insurance, ISS, and injury type (blunt versus penetrating)